Whatever Obama does at this afternoon's White House meeting, he needs to avoid any pictures where he and Bush are standing next to each other smiling. Or any with he, McCain and Bush. For "low-information voters", those who vote on gut feelings and vague impressions, might be particularly influenced by such images, making Obama look like "Old Washington" and hurting his "Change" image.
Here is, so far as I can tell, the only pic on the internet of Bush and Obama together
Just Obama being polite and shaking the President's hand. I'm not saying he has to stand 10 feet away from him at all times, but any image of them "working together" might be bad, and he certainly needs to avoid anything like this: